package com.diandiji.demo.service;


import com.diandiji.demo.entity.User;

import java.util.List;

//用户接口层
public interface UserService {

    String queryAllUser();

    User queryUserById(int userID);

    User addUser(User user);

    User updateUser(User user);

    void deleteUserByID(int userID);

    User findByAccount(String account);
}
